Optimal cross-layer power allocation with channel and queue state information
The optimal power allocation was investigated when both channel and queue state information was taken into account.By modeling the system from a cross-layer perspective,an optimization problem was formulated on power allo-cation where the maximal power requirement of a user was determined by the num...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2007-01-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/74658978/ |
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| _version_ | 1841537489388437504 |
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| author | CHEN Wei1 CAO Zhi-gang1 FAN Ping-yi1 LETAIEF K B2 |
| author_facet | CHEN Wei1 CAO Zhi-gang1 FAN Ping-yi1 LETAIEF K B2 |
| author_sort | CHEN Wei1 |
| collection | DOAJ |
| description | The optimal power allocation was investigated when both channel and queue state information was taken into account.By modeling the system from a cross-layer perspective,an optimization problem was formulated on power allo-cation where the maximal power requirement of a user was determined by the number of its backlog packets.The ana-lytical solution as well as its algorithm,which refer to as water filling in cellar（WFIC）,were proposed.The proposed WFIC can be reduced to traditional water-filling（TWF） method as a special case where queue state was ignored.Simula-tion results show that the proposed method can achieve lower queuing delay compared to conventional methods. |
| format | Article |
| id | doaj-art-c5b83750d2f9472387e678ce8d7bba74 |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2007-01-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-c5b83750d2f9472387e678ce8d7bba742025-01-14T08:34:45ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2007-01-01162374658978Optimal cross-layer power allocation with channel and queue state informationCHEN Wei1CAO Zhi-gang1FAN Ping-yi1LETAIEF K B2The optimal power allocation was investigated when both channel and queue state information was taken into account.By modeling the system from a cross-layer perspective,an optimization problem was formulated on power allo-cation where the maximal power requirement of a user was determined by the number of its backlog packets.The ana-lytical solution as well as its algorithm,which refer to as water filling in cellar（WFIC）,were proposed.The proposed WFIC can be reduced to traditional water-filling（TWF） method as a special case where queue state was ignored.Simula-tion results show that the proposed method can achieve lower queuing delay compared to conventional methods.http://www.joconline.com.cn/zh/article/74658978/wireless networksnetwork information theorypower allocationcross-layer |
| spellingShingle | CHEN Wei1 CAO Zhi-gang1 FAN Ping-yi1 LETAIEF K B2 Optimal cross-layer power allocation with channel and queue state information Tongxin xuebao wireless networks network information theory power allocation cross-layer |
| title | Optimal cross-layer power allocation with channel and queue state information |
| title_full | Optimal cross-layer power allocation with channel and queue state information |
| title_fullStr | Optimal cross-layer power allocation with channel and queue state information |
| title_full_unstemmed | Optimal cross-layer power allocation with channel and queue state information |
| title_short | Optimal cross-layer power allocation with channel and queue state information |
| title_sort | optimal cross layer power allocation with channel and queue state information |
| topic | wireless networks network information theory power allocation cross-layer |
| url | http://www.joconline.com.cn/zh/article/74658978/ |
| work_keys_str_mv | AT chenwei1 optimalcrosslayerpowerallocationwithchannelandqueuestateinformation AT caozhigang1 optimalcrosslayerpowerallocationwithchannelandqueuestateinformation AT fanpingyi1 optimalcrosslayerpowerallocationwithchannelandqueuestateinformation AT letaiefkb2 optimalcrosslayerpowerallocationwithchannelandqueuestateinformation |